Adjustable bearing.



No. 70,192;- Patented Dec. 30,1902; J. s. HEATH.

ADJUSTABLE BEARING.

(Application filed June 21, 1902.)

(No Model.)

Invenlr Jamal; Jana? lkwzn.

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urn STATES PATENT OFFICE.

JAMES SAMUEL HEATH, OF MACEDON, NEW YORK, ASSIGNOR TO BIOKFORD ANDHUFFMAN COMPANY, OF MAOEDON, NEl/V YORK, A CORPORATION OF NEW YORK.

ADJUSTABLE BEARING.

SPECIFICATION forming part of Letters Patent N0. 717,192, dated December1 Appllcation filed June 21, 1902. Serial No. 112,668. (No model.)

To all whom it may concern:

Be it known that 1, JAMES SAMUEL HEATH, a British subject, anda residentof Macedon, in the county of Wayne and State of New 5 York, haveinvented certain new and useful Improvements in Adjustable Bearings, ofwhich the following is a specification.

My invention relates to adjustable bearings, and more particularly tothat class of lo adjustable bearings designed to be employed inconnection with the axle of a vehicle or of agricultural or othermachines.

WVhile my invention may be employed in connection with any shaft or axlefor the purposes of illustration and to set forth a preferred mode ofreduction to practice, I have shown and described it in the present caseas applied to a seeding-machine or graindrill, wherein it is especially,necessary that an an extended and accurate hearing be provided for theaxle in its box because of the draft and pressure brought to bearthereon and the resulting tendency to cramp and out into the axle unlessthe bearing be sufficiently extensive and accurately adjusted.

My invention consists in the construction and combination of parts nowto be described and as finally pointed out in the claims.

Referring to the drawings, wherein the same parts are designated by thesame lotters of reference in all the figures, Figure 1 is an end View ofthe bearing and hanger therefor, the bed-piece of the frame and the axlebeing shown in section. Fig. 2 is a side view of the bearing and hanger,the frame being shown in section. Fig. 3 is a side view of the bearing,showing also in section a portion of the hanger. The bearing or boxproper, B, is shown in the form of an extended or elongated cylinderwithin which the axle A is inserted in the customary manner. The bearingB is provided on its upper surface with a projecting piece or extensionB, the upper surface of which is formed as the convex section of asphere having its center in the axial line of the box and axle therein,as shown in Figs. 2 and 3 and as indicated by dotted lines in Fig. 1.The hanger or bracket 0 is formed with flanges D and E, which arebolted, respectively, to the bed-piece H and side piece I by means ofthe bolts G and F in the customary manner. The hanger O is furtherprovided with the depending arms J J,Which partially embrace the box B,the arms J J being formed internally with a spherical depression orconcavity which engages and fits accurately upon the spherical convexextension B, formed upon the box B, as shown in Fig. 3, constituting ineffect a species of 00 universal joint. The box B is securely fastenedwithin the arms J J of the hanger O by means of a curved orstaple-shaped bolt K, which passes through the hanger 0, down and aroundthe box B, and again upward and through the hanger O, to which it isfirmly attached by means of the nuts L L. Fillets or filling-in pieces BB may be inserted between the curved bolt K and the lower part of thebox B in order to increase the rigid- 7o ity of the bearing, if desired.Au oil-cup M is formed upon the upper part of the spherical projection Bof the box B and projects through a recess 0, formed in the hanger orbracket O, the recess 0 being formed of sufficient size to permit of anadequate amount of play therein for the oil-cup M, due to the variedadjustment of thebox B in the hanger O. A spring N is pivoted to thehanger O at N and is so shaped and inclined that when turned tooperative position it covers and enters the mouth of the oil-cup M, soas to close it, and is afforded sufficient play to accommodate itself tothe movement of the oilcup M as the box B is adjusted. At the outer endof the box B a shield B is formed to exclude dirt and dust from thebearing.

It will be obvious, due to the engagement of the spherical projection Bon the box B with the spherical depression formed in the hanger C, thatthe proper adjustment of the box B with reference to the hanger C may bereadily secured and that the parts may then be firmly fastened inadjusted position by tightening up the nuts L L upon the bolt K. Inpractice the axle A is ordinarily inserted within the box B when themachine or vehicle is set up, and thereby the proper position is givento the box B with relation to the hanger C by reason of the sphericalcontact previously described, and the box may then be locked in adjustedposition. Because of this construction and arrangement and because ofthe manner in which the axle by its insertion in the box turns the boxto its proper position in the bracket or hanger the whole constitutes aspecies of self-alining bearing.

While I have herein shown a preferred mode of reducing my invention topractice and as especially applied to a form of vehicle or agriculturalmachine, it will be obvious that it is applicable to any use where itmay be desired to secure this character of adjustment, and, moreover,that many changes and variations may be made therein without departingfrom the spirit of my invention.

Having thus described my invention, its construction, and mode ofoperation, what I desire to secure by Letters Patent of the UnitedStates is as follows:

1. An adjustable bearing, comprising a box formed with a sphericalprojection, a bracket or hanger provided with depending arms topartially embrace the box and having a spherical depression to fit thespherical projection upon the box, and a curved bolt passing through thehanger and around that part of the box not embraced by the dependingarms so as to hold it in adjusted position.

2. An adjustable bearing, comprising a box formed with a sphericalprojection, a bracket or hanger provided with depending arms topartially embrace the box and havinga spherical depression to fit thespherical projection upon the box, a curved bolt passing through thehanger and around the box to hold them in adjusted position, and filletsinterposed between the bolt and that part of the box not embraced by thedepending arms.

3. An adjustable bearing, comprising a box formed with a sphericalprojection, a bracket or hanger provided with a spherical depres-

